CN106812581A - A kind of supercharged engine cooling system for vehicle - Google Patents

A kind of supercharged engine cooling system for vehicle Download PDF

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Publication number
CN106812581A
CN106812581A CN201611146901.7A CN201611146901A CN106812581A CN 106812581 A CN106812581 A CN 106812581A CN 201611146901 A CN201611146901 A CN 201611146901A CN 106812581 A CN106812581 A CN 106812581A
Authority
CN
China
Prior art keywords
cooling
booster
cooling unit
unit
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611146901.7A
Other languages
Chinese (zh)
Inventor
胡攀
李双清
王瑞平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Geely Holding Group Co Ltd
Ningbo Geely Royal Engine Components Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Ningbo Geely Royal Engine Components Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Geely Holding Group Co Ltd, Ningbo Geely Royal Engine Components Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN201611146901.7A priority Critical patent/CN106812581A/en
Publication of CN106812581A publication Critical patent/CN106812581A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00Liquid cooling
    • F01P3/12Arrangements for cooling other engine or machine parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P3/00Liquid cooling
    • F01P3/20Cooling circuits not specific to a single part of engine or machine
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P5/00Pumping cooling-air or liquid coolants
    • F01P5/10Pumping liquid coolant; Arrangements of coolant pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00Controlling of coolant flow
    • F01P7/14Controlling of coolant flow the coolant being liquid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B39/00Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
    • F02B39/16Other safety measures for, or other control of, pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2060/00Cooling circuits using auxiliaries
    • F01P2060/12Turbo charger

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

The invention provides the supercharged engine cooling system for vehicle, it is related to Control of Electric Vehicles field, the vehicle includes booster, electric machine controller and cooling medium, and the system is used to cool down the booster, including:Pump, for pumping the cooling medium;The first and second cooling circuits for transmitting the cooling medium;It is placed in contact or near the first cooling unit of the booster, it is connected in first cooling circuit, for cooling down the booster;It is placed in contact or near the second cooling unit of the electric machine controller, it is connected in second cooling circuit, for cooling down the electric machine controller;Wherein, first and second cooling unit shares the pump, and receives the cooling medium in parallel.The present invention solves needs, and individually increase electronic water pump is cooled down to booster, so as to increase the problem of manufacturing cost.

Description

A kind of supercharged engine cooling system for vehicle
Technical field
The present invention relates to Control of Electric Vehicles field, more particularly to a kind of supercharged engine cooling system for vehicle System.
Background technology
With the popularization of vehicle, the problem of oil consumption and exhaust emissions is increasingly serious, country to the regulation of the problem also increasingly It is harsh, therefore, during research direction is transferred to electric vehicle or motor vehicle driven by mixed power field by researchers.As electric vehicle or A member of motor vehicle driven by mixed power, distance increasing unit becomes one of research direction of hot topic, in order to improve the power of distance increasing unit, by turbine Booster is retrofitted in the project of distance increasing unit, and turbocharger promotes turbine room using the waste gas inertia impulsive force that engine is discharged Interior turbine, turbine drives coaxial impeller, the air that impeller force feed is sent by air filter pipeline to be allowed to supercharging and enter again Cylinder, when engine speed speeds, the waste gas velocity of discharge and secondary speed also synchronously speed, impeller just compresses more air and enters Enter cylinder, the pressure and density of air increase more fuel that can burn, corresponding to increase fuel quantity and adjust engine Rotating speed, so as to improve the power output of engine.
The turbocharger of prior art is arranged in distance increasing unit, and when the engine operates, turbocharger operation is produced Heat it can be radiated by for cooling down the mechanical pump of engine, when the engine is not operating, turbocharger by In effect of inertia, high-speed motion is still done, turbocharger can produce high temperature because working condition is constantly in, if turbine increases The high temperature of depressor can not be cooled down in time, then be easily caused machine oil charing, oil duct blocked, so as to shorten the use longevity of vehicle Life, or even cause risk on fire, now, a special matched electronic water pump is needed in engine cooling circuit It is cooled down, so as to distribute the work calories of turbocharger.
But, because turbocharger is arranged in engine system, engine-cooling system has mechanical pump, and mechanical Pump can only work in engine rotation, and turbocharger can still do high-speed motion when engine does not work, and now, start Individually increase an electronic water pump in machine cooling system to lower the temperature turbocharger, not only increase engine-cooling system Structure complexity, and increase the manufacturing cost of vehicle.
The content of the invention
It is an object of the present invention to provide a kind of supercharged engine cooling system for vehicle, to solve needs Individually increase the problem that electronic water pump is cooled down to booster.
Especially, the invention provides a kind of supercharged engine cooling system for vehicle, the vehicle includes increasing Depressor, electric machine controller and cooling medium, the system are used to cool down the booster, including:
Pump, for pumping the cooling medium;
The first and second cooling circuits for transmitting the cooling medium;
It is placed in contact or near the first cooling unit of the booster, it is connected in first cooling circuit, For cooling down the booster;
It is placed in contact or near the second cooling unit of the electric machine controller, it is connected to second cooling circuit In, for cooling down the electric machine controller;
Wherein, first and second cooling unit shares the pump, and receives the cooling medium in parallel.
Further, the switch in first cooling circuit is arranged on, for selectively opening or closing described One cooling circuit, to cause that the cooling medium is selectively entered or does not enter first cooling circuit.
Further, controller, for controlling the switch when the rotating speed of the booster is not more than a preset rotation speed First cooling circuit is closed, controls the switch to open described when the rotating speed of the booster is more than the preset rotation speed First cooling circuit.
Further, the vehicle also includes motor, and the system also includes:
It is placed in contact or near the 3rd cooling unit of the motor, it is connected to first cooling circuit or described In second cooling circuit, for cooling down the motor;
Wherein, the 3rd cooling unit and first cooling unit receive the cooling in series or in parallel Medium.
Further, first, second, and third cooling unit shares the pump.
Further, the cooling medium first flows through the electric machine controller and/or the booster, passes through described Motor.
Further, the system also includes radiator, and it is connected to first cooling circuit or second cooling In loop, the heat for distributing the cooling medium.
Further, the system also includes two triple valves, and the triple valve has three ports, wherein, an institute State three ports of triple valve input, input of second cooling unit respectively with first cooling unit Output end with the pump is connected, and three ports of another triple valve are defeated with first cooling unit respectively Go out end, the output end of second cooling unit to be connected with the input of the 3rd cooling unit.
Further, three ports of a triple valve of the system respectively with first cooling unit Input, the input of second cooling unit and the pump output end connection, the system another described three Three ports of port valve output end respectively with first cooling unit, the output end of the 3rd cooling unit and institute The input for stating radiator is connected.
First, when engine stop is operated, the mechanical pump for cooling down engine is stopped, and booster is due to used Property effect still in operating condition, the heat produced by its operating is still very high, and now, first due to the booster is cold But the second cooling unit of unit and the electric machine controller shares the pump in parallel, therefore, electric machine controller is returned The cooling medium can be pumped to the first cooling unit of the booster and the motor control by the pump in road respectively Second cooling unit of device processed, the cooling medium can be cooled down to the booster and the electric machine controller simultaneously, So as in the state of engine stop work, the pump can in time be cooled down to the booster.
Secondly, when the vehicle is in electric mode, when the booster shuts down, now, in order to stop Only the pump pumps the unnecessary work load of the cooling medium to the booster, and the present invention is in first cooling circuit One controlling switch of middle setting, when the booster is operated, opens first cooling circuit such that it is able to which the cooling is situated between Matter is pumped to the booster and it is cooled down, and when the booster shuts down, then closes first cooling circuit, Now, the cooling medium is only pumped to the cooling unit of the electric machine controller and the cooling list of the motor for the pump Unit, so as to only be cooled down to the electric machine controller and the motor.
Finally, in order to be easy to first cooling unit, second cooling unit, the 3rd cooling unit and institute The connection between pump is stated, the present invention can be attached using triple valve to them.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will be brighter Of the invention above-mentioned and other purposes, advantages and features.
Brief description of the drawings
Describe some specific embodiments of the invention in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter. Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these What accompanying drawing was not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is the schematic structure of the supercharged engine cooling system for vehicle according to an embodiment of the invention Block diagram;
Fig. 2 is the schematic knot of the supercharged engine cooling system for vehicle in accordance with another embodiment of the present invention Structure block diagram;
Fig. 3 is the schematic structure of the supercharged engine cooling system for vehicle according to other embodiments of the invention Block diagram.
Specific embodiment
Fig. 1 is the schematic structure of the supercharged engine cooling system for vehicle according to an embodiment of the invention Block diagram, the cooling system is used to cool down the booster.The vehicle can include booster, electric machine controller and Cooling medium, the booster is arranged in the engine of the vehicle, and the cooling system may include for pump in general manner The pump 1 of the cooling medium is sent, the first and second cooling circuits of the cooling medium are transmitted, described first is connected to and is cooled back The first cooling unit 2 in road, it contacts or near the booster, to cool down the booster, is connected to described second cold But the second cooling unit 3 in loop, its contact or near the electric machine controller, to cool down the electric machine controller;It is described Vehicle can also include motor, and the cooling system may include to be connected to first cooling circuit or second cooling circuit In the 3rd cooling unit 4, its contact or near the motor, such that it is able to cool down the motor.
Wherein, the cooling unit 3 of first cooling unit 2 and second shares the pump 1 in parallel, such that it is able to The cooling medium is received, the 3rd cooling unit 4 can in series receive described with first cooling unit 2 Cooling medium.
When normal working of engine, the motor normal work, the pump 1 is by the cooling medium simultaneous pumping to institute After stating the first cooling unit 2 and second cooling unit 3, then the 3rd cooling unit 4 is pumped to, in this way, the vehicle When being worked under engine control, the cooling medium can in time absorb the heat that the booster is distributed.
When engine stop is operated, the mechanical pump for cooling down engine is stopped, and the vehicle switches to pure electricity During dynamic operating condition, because the effect of inertia is still in operating condition, the heat produced by its operating is still very for the booster Height, now, due to coming close to or in contact with the first cooling unit 2 of the booster and coming close to or in contact with the of the electric machine controller Two cooling units 3 share the pump 1 in parallel, therefore, the pump 1 in electric machine controller loop can respectively by institute Cooling medium is stated to be pumped to the first cooling unit 2 for coming close to or in contact with the booster and come close to or in contact with the electric machine controller The second cooling unit 3, the cooling medium can simultaneously the booster and the electric machine controller are cooled down so that In the state of engine stop work, the pump can in time be cooled down to the booster.
Wherein, for the ease of the connection of the cooling system, the system can also include two has three ports Triple valve, it is three ports of one of those triple valve input respectively with first cooling unit 2, described The output end connection of the input and the pump 1 of the second cooling unit 3, three ports difference of another triple valve Output end, the output end of second cooling unit 3 and the 3rd cooling unit 4 with first cooling unit 2 it is defeated Enter end to be connected.
In the embodiment of fig. 2, a switch 5, the input of the switch 5 and institute are set in first cooling circuit State the output end of pump 1, the input of second cooling unit 3 to be connected, the output end of the switch 5 is single with the described first cooling The input of unit 2 is connected.When the vehicle is in pure electric mode, when the booster shuts down, now, in order to can To stop still being pumped while the booster of the pump 1 pair pumps the cooling medium cooling medium to described Second cooling unit 3, such that it is able to be cooled down to the electric machine controller and the motor, the present invention is in the described first cooling The switch 5 set in loop, can selectively open or close first cooling circuit, i.e., when the booster is operated When, first cooling circuit is opened, such that it is able to the cooling medium is pumped into first cooling unit 2, to described Booster is cooled down, and when the booster shuts down, then closes first cooling circuit, and now, the pump only will The cooling medium is pumped to second cooling unit 3 and the 3rd cooling unit 4, such that it is able to only to the motor control Device processed and the motor are cooled down.
In order to control the switch 5 to selectively open or close first cooling circuit, the cooling system Controller can also be included, the controller can be connected with the switch 5, when the rotating speed of the booster is no more than default During rotating speed, the switch 5 can be controlled to close first cooling circuit, when the rotating speed of the booster is more than described default During rotating speed, the switch 5 can be controlled to open first cooling circuit.
Wherein, the system can also include two triple valves with three ports, one of those described triple valve Three ports input respectively with the switch 5, the input of second cooling unit 3 and the pump 1 it is defeated Go out end connection, three ports of another triple valve output end respectively with first cooling unit 2, described the The output end of two cooling units 3 is connected with the input of the 3rd cooling unit 4.
Further, for the heat of the cooling medium that can radiate in time, the cooling system can include dissipating Hot device 6, it can be connected in first cooling circuit or second cooling circuit, when the cooling medium is by described First cooling circuit absorbs the work calories of first cooling unit 2 and the 3rd cooling unit 4 or by described second The radiator 6 is flow to after the work calories of cooling circuit absorption second cooling unit 3 and the 3rd cooling unit 4 When, the radiator 6 can radiate to the cooling medium in time, and by radiating after the cooling medium be sent to The pump 1.
It is and described in the fig. 3 embodiment, after the 3rd cooling unit 4 can connect with second cooling unit 3 First cooling unit 2 receives the cooling medium of the pumping of the pump 1 in parallel, and the pump 1 is respectively by the cooling Medium is pumped to first cooling unit 2 and second cooling unit 3, and the cooling medium is single by the described second cooling The 3rd cooling unit 4 is passed through after unit 3, the booster and the electric machine controller, motor work are absorbed respectively Heat, and radiated by the radiator 6.
Wherein, the system can also include two triple valves with three ports, one of those described triple valve Three ports input respectively with first cooling unit 2, the input of second cooling unit 3 and described The output end connection of pump 1, three ports of another triple valve of the system are single with the described first cooling respectively The output end of unit 2, the output end of the 3rd cooling unit 4 are connected with the input of the radiator 6.
Wherein, because the work calories of the electric machine controller is higher than the work calories of the motor, therefore, the pump 1 The cooling medium is first flowed through into second cooling unit 3 pairs, second cooling unit 3 to cool down, after flow through described Three the 3rd cooling units 4 of cooling unit 4 pairs are cooled down.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple of the invention and show Example property embodiment, but, without departing from the spirit and scope of the present invention, still can be direct according to present disclosure It is determined that or deriving many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognizes It is set to and covers all these other variations or modifications.

Claims (9)

1. a kind of supercharged engine cooling system for vehicle, the vehicle includes booster, electric machine controller and cooling Medium, the system is used to cool down the booster, including:
Pump, for pumping the cooling medium;
The first and second cooling circuits for transmitting the cooling medium;
It is placed in contact or near the first cooling unit of the booster, it is connected in first cooling circuit, is used for Cool down the booster;
It is placed in contact or near the second cooling unit of the electric machine controller, it is connected in second cooling circuit, For cooling down the electric machine controller;
Wherein, first and second cooling unit shares the pump, and receives the cooling medium in parallel.
2. cooling system according to claim 1, wherein, also include:
The switch in first cooling circuit is arranged on, for selectively opening or closing first cooling circuit, with So that the cooling medium is selectively entered or does not enter first cooling circuit.
3. cooling system according to claim 2, wherein, also include:
Controller, it is cold for controlling the switch to close described first when the rotating speed of the booster is not more than a preset rotation speed But loop, controls the switch to open first cooling circuit when the rotating speed of the booster is more than the preset rotation speed.
4. the cooling system according to any one of claim 1-3, cooling system, wherein, the vehicle also includes motor, The system also includes:
It is placed in contact or near the 3rd cooling unit of the motor, it is connected to first cooling circuit or described second In cooling circuit, for cooling down the motor;
Wherein, the 3rd cooling unit and first cooling unit receive the cooling and are situated between in series or in parallel Matter.
5. cooling system according to claim 4, wherein, first, second, and third cooling unit shares the pump.
6. cooling system according to claim 5, wherein, the cooling medium first flow through the electric machine controller and/ Or the booster, pass through the motor.
7. the cooling system according to any one of claim 1-6, wherein, the system also includes radiator, its connection In first cooling circuit or second cooling circuit, the heat for distributing the cooling medium.
8. cooling system according to claim 7, it is characterised in that the system also includes two triple valves, described three Port valve has three ports, wherein, three ports of a triple valve are defeated with first cooling unit respectively Enter the output end connection of end, the input of second cooling unit and the pump, described three of another triple valve Port output end respectively with first cooling unit, the output end of second cooling unit and the 3rd cooling unit Input be connected.
9. cooling system according to claim 8, it is characterised in that described the three of a triple valve of the system The output end of individual port input, the input of second cooling unit and the pump respectively with first cooling unit Connection, three ports of another triple valve of system output end respectively with first cooling unit, The output end of the 3rd cooling unit is connected with the input of the radiator.
CN201611146901.7A 2016-12-13 2016-12-13 A kind of supercharged engine cooling system for vehicle Pending CN106812581A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611146901.7A CN106812581A (en) 2016-12-13 2016-12-13 A kind of supercharged engine cooling system for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611146901.7A CN106812581A (en) 2016-12-13 2016-12-13 A kind of supercharged engine cooling system for vehicle

Publications (1)

Publication Number Publication Date
CN106812581A true CN106812581A (en) 2017-06-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108361098A (en) * 2018-03-22 2018-08-03 潍柴动力股份有限公司 The cooling system of cold engine in two-step supercharging
CN111942141A (en) * 2019-05-15 2020-11-17 浙江吉利控股集团有限公司 Thermal management system for extended range electric vehicle and vehicle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101419475A (en) * 2008-11-18 2009-04-29 奇瑞汽车股份有限公司 Cooling system for testing longevity of hybrid vehicle controller
CN201309408Y (en) * 2008-11-21 2009-09-16 比亚迪股份有限公司 Composite cooling system
CN202628254U (en) * 2012-04-28 2012-12-26 浙江吉利汽车研究院有限公司杭州分公司 Cooling device for engine turbocharger and intercooler
CN104340041A (en) * 2013-07-24 2015-02-11 比亚迪汽车有限公司 Hybrid electric vehicle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101419475A (en) * 2008-11-18 2009-04-29 奇瑞汽车股份有限公司 Cooling system for testing longevity of hybrid vehicle controller
CN201309408Y (en) * 2008-11-21 2009-09-16 比亚迪股份有限公司 Composite cooling system
CN202628254U (en) * 2012-04-28 2012-12-26 浙江吉利汽车研究院有限公司杭州分公司 Cooling device for engine turbocharger and intercooler
CN104340041A (en) * 2013-07-24 2015-02-11 比亚迪汽车有限公司 Hybrid electric vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108361098A (en) * 2018-03-22 2018-08-03 潍柴动力股份有限公司 The cooling system of cold engine in two-step supercharging
CN111942141A (en) * 2019-05-15 2020-11-17 浙江吉利控股集团有限公司 Thermal management system for extended range electric vehicle and vehicle

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Application publication date: 20170609